Merge changes from topic "morello_plat_support" into integration
* changes:
feat(morello): expose scmi protocols in fdts
fix(morello): change the AP runtime UART address
feat(morello): add support for nt_fw_config
feat(morello): split platform_info sds struct
feat(morello): add changes to enable TBBR boot
feat(morello): add DTS for Morello SoC platform
feat(morello): configure DMC-Bing mode
feat(morello): zero out the DDR memory space
feat(morello): add TARGET_PLATFORM flag
fix(morello): fix SoC reference clock frequency
fix(arm): use PLAT instead of TARGET_PLATFORM